From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7068C433E6 for ; Mon, 15 Mar 2021 14:49:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EA5864E45 for ; Mon, 15 Mar 2021 14:49:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240893AbhCOOsL (ORCPT ); Mon, 15 Mar 2021 10:48:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:49446 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234157AbhCOODA (ORCPT ); Mon, 15 Mar 2021 10:03:00 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DCD0B64DAD; Mon, 15 Mar 2021 14:02:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1615816980; bh=53IlfbVNqOlyDdD4cFDUvx5We7nCRPWzMldJuRJZDQ8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=coaY0GtYrwzsDJXJzIMBMbR2tC1mXCYTsnj1/TTpwzRnpdw3rSAUR43emPQUkNWk3 Ew85YJKD9y3lJhFCCx7Nxm7lqiH1YS3ThHpywvwGVqRV/Nfw9Sd7uZiuJqh5aB9REV zDc0x8OFLxXtNmhtuUJMB7lNLzOrt61+XbUx09rk= From: gregkh@linuxfoundation.org To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, kernel test robot , Dan Carpenter , Shawn Guo , Viresh Kumar , Sasha Levin Subject: [PATCH 5.11 242/306] cpufreq: qcom-hw: fix dereferencing freed memory data Date: Mon, 15 Mar 2021 14:55:05 +0100 Message-Id: <20210315135515.824595904@linuxfoundation.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315135507.611436477@linuxfoundation.org> References: <20210315135507.611436477@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Greg Kroah-Hartman From: Shawn Guo [ Upstream commit 02fc409540303801994d076fcdb7064bd634dbf3 ] Commit 67fc209b527d ("cpufreq: qcom-hw: drop devm_xxx() calls from init/exit hooks") introduces an issue of dereferencing freed memory 'data'. Fix it. Fixes: 67fc209b527d ("cpufreq: qcom-hw: drop devm_xxx() calls from init/exit hooks") Reported-by: kernel test robot Reported-by: Dan Carpenter Signed-off-by: Shawn Guo Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- drivers/cpufreq/qcom-cpufreq-hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 2726e77c9e5a..5cdd20e38771 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -368,7 +368,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy) error: kfree(data); unmap_base: - iounmap(data->base); + iounmap(base); release_region: release_mem_region(res->start, resource_size(res)); return ret; -- 2.30.1